/Engine/Source/Runtime/Core/Public/Containers/UnrealString.h
Split withESearchCase::IgnoreCaseandESearchDir::FromStart. Allows compiler to avoid branches w/o inlining code.
bool Split ( const [FString](API\Runtime\Core\Containers\FString) & InS, [FString](API\Runtime\Core\Containers\FString) * LeftS, [FString](API\Runtime\Core\Containers\FString) * RightS ) const